<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <title>Document</title>
    </head>
    <body>
        <div id="app">
            <p>{{ msg | upper | prefix | suffix}}</p>
        </div>
        <script src="my-vue.js"></script>
        <script>
        Vue.filter('upper',(value)=>value.toUpperCase());
        Vue.filter('prefix',(value)=>'^'+value);
        Vue.filter('suffix',(value)=>value+'$');
        var vm = new Vue({
            el:'#app',
            data:{
               msg:'hello'
            }
        });
    </script>
    </body>
</html>